Question

Simplify the following:
(i) (a + b)²+ (a - b)²​

Answer 1

Answer:

(a+b)²-(a-b)²

…..a²+b²+2ab - (a²+b²-2ab)

…..a²+b²+2ab -a²-b²+2ab

…..2ab+2ab

…..4ab..Ans……

Answer 2

Answer:

${(a + b)}^{2} + {(a - b)}^{2} = {a}^{2} + {b}^{2} + (2ab) + {a}^{2} + {b}^{2} - (2ab)$

$answer \: is \: 2( {a}^{2} + {b}^{2} )$